import java.awt.AWTException;
import java.awt.SystemTray;
import java.awt.TrayIcon;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.*;

/**
 * An example of minimizing JFrame to the system tray.
 * @author Jia
 *
 */
 
public class TrayTest extends JFrame implements MouseListener, WindowStateListener{
 
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private TrayTest me;
	BufferedImage image;
	private SystemTray systray;
	private TrayIcon trayIcon;

	
	public TrayTest(){
		me = this;
		try {
			image = ImageIO.read(new File("C:\\Users\\Jia\\Desktop\\icon.jpg"));
		} catch (IOException e) {
			JOptionPane.showMessageDialog(null, "problem loading picture");
			e.printStackTrace();
		}
		systray = SystemTray.getSystemTray();
		trayIcon = new TrayIcon(image, "tray demo");
		
		trayIcon.addMouseListener(this);		
		addWindowStateListener(this);
		
		setSize(500,500);
		setVisible(true);
		setLocationRelativeTo(null);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
	
	public static void main(String[] args) throws Exception{
		
		new TrayTest();
	}

	public void mouseClicked(MouseEvent arg0) {
		me.setVisible(true);
		me.setState(JFrame.NORMAL);
		systray.remove(trayIcon);
	}

	public void mouseEntered(MouseEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	public void mouseExited(MouseEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	public void mousePressed(MouseEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	public void mouseReleased(MouseEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	public void windowStateChanged(WindowEvent arg0) {
		if (arg0.getNewState() == JFrame.ICONIFIED){
			me.setVisible(false);
			try {
				systray.add(trayIcon);
			} catch (AWTException e) {
				e.printStackTrace();
			}
		}
	}
}